Reference | {Deposit:: MILLER, BENJAMIN L, LEAD AND ZINC ORES OF PENNSYLVANIA, PA G}{Deposit:: BULL M5, 1924}{Deposit:: BASCOM AND STOSE, GEOLOGY AND MINERAL RESOURCES OF THE HONEY}{Deposit:: AND PHOENIXVILLE QUADRANGLES, USGS BULL 891, 1938}{Deposit:: LAPHAM AND GEYER, MINERAL COLLECTING IN PENNSYLVANIA, PA GEO}{Deposit:: BULL G33, 2ND ED, 1965}{Deposit:: ICKES, HAROLD L, PICKERING CREEK MINES, BUMINES WAR MINERAL}{Deposit:: REGIONAL FILE E-974, JUNE 1944}{Deposit:: ROSE, ARTHUR W, ATLAS OF PENNSYLVANIAS MINERAL RESOURCES, PA}{Deposit:: PA GEOL SUR BULL M50, 1970}{Deposit:: REED, DONALD F, INVESTIGATION OF PICKERING CREEK LEAD-ZINC D}{Deposit:: BUMINES RI-4451, MAY 1949}{Deposit:: REED, DONALD F, PICKERING CREEK LEAD-ZINC DEPOSITS, BUMINES}{Deposit:: PUBLISHED RPT 91.974, CONFIDENTIAL, 1949}{Deposit:: GORDON, SAMUEL G, MINERALOGY OF PENNSYLVANIA, SPEC PUB NO 1,}{Deposit:: NATL SCI OF PHILADELPHIA, 1922}{Deposit:: ROGERS, HENRY D, GEOLOGY OF PENNSYLVANIA, VOL 2, J.B. LIPPIN}{Deposit:: AND CO, PHILADELPHIA, 1858}{Deposit:: ASHLEY, GEORGE H, SYLLABUS OF PENNSYLVANIA GEOLOGY AND MINER}{Deposit:: RESOURCES, PA GEOL SUR BULL G1, 1931} |